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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.131 by root, Thu Jan 4 00:53:54 2007 UTC vs.
Revision 1.220 by root, Sat Feb 17 23:54:35 2007 UTC

…		…
8	use Storable;	8	use Storable;
9	use Opcode;	9	use Opcode;
10	use Safe;	10	use Safe;
11	use Safe::Hole;	11	use Safe::Hole;
12		12
13	use Coro 3.3 ();	13	use Coro 3.5 ();
14	use Coro::Event;	14	use Coro::Event;
15	use Coro::Timer;	15	use Coro::Timer;
16	use Coro::Signal;	16	use Coro::Signal;
17	use Coro::Semaphore;	17	use Coro::Semaphore;
18	use Coro::AIO;	18	use Coro::AIO;
19		19
		20	use BDB ();
		21	use Data::Dumper;
20	use Digest::MD5;	22	use Digest::MD5;
21	use Fcntl;	23	use Fcntl;
22	use IO::AIO 2.31 ();	24	use IO::AIO 2.32 ();
23	use YAML::Syck ();	25	use YAML::Syck ();
24	use Time::HiRes;	26	use Time::HiRes;
		27	use Compress::LZF;
		28
		29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
25		30
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	31	use Event; $Event::Eval = 1; # no idea why this is required, but it is
		32
		33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
27		34
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	36	$YAML::Syck::ImplicitUnicode = 1;
30		37
31	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority	38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		39
35	our %COMMAND = ();	40	our %COMMAND = ();
36	our %COMMAND_TIME = ();	41	our %COMMAND_TIME = ();
		42
		43	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	44	our %EXTCMD = ();
		45	our %EXT_CORO = (); # coroutines bound to extensions
		46	our %EXT_MAP = (); # pluggable maps
38		47
39	our @EVENT;	48	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	49	our $LIBDIR = datadir . "/ext";
41		50
42	our $TICK = MAX_TIME * 1e-6;	51	our $TICK = MAX_TIME * 1e-6;
43	our $TICK_WATCHER;	52	our $TICK_WATCHER;
		53	our $AIO_POLL_WATCHER;
		54	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	55	our $NEXT_TICK;
45	our $NOW;	56	our $NOW;
		57	our $USE_FSYNC = 1; # use fsync to write maps - default off
		58
		59	our $BDB_POLL_WATCHER;
		60	our $DB_ENV;
46		61
47	our %CFG;	62	our %CFG;
48		63
49	our $UPTIME; $UPTIME ||= time;	64	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	65	our $RUNTIME;
51		66
		67	our %PLAYER; # all users
52	our %MAP; # all maps	68	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	69	our $LINK_MAP; # the special {link} map, which is always available
54	our $FREEZE;
55	our $RANDOM_MAPS = cf::localdir . "/random";	70	our $RANDOM_MAPS = cf::localdir . "/random";
56	our %EXT_CORO;	71	our $BDB_ENV_DIR = cf::localdir . "/db";
		72
		73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		75
		76	# used to convert map paths into valid unix filenames by replacing / by ∕
		77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
57		78
58	binmode STDOUT;	79	binmode STDOUT;
59	binmode STDERR;	80	binmode STDERR;
60		81
61	# read virtual server time, if available	82	# read virtual server time, if available
…		…
68	mkdir cf::localdir;	89	mkdir cf::localdir;
69	mkdir cf::localdir . "/" . cf::playerdir;	90	mkdir cf::localdir . "/" . cf::playerdir;
70	mkdir cf::localdir . "/" . cf::tmpdir;	91	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;	92	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;	93	mkdir $RANDOM_MAPS;
		94	mkdir $BDB_ENV_DIR;
73		95
74	# a special map that is always available
75	our $LINK_MAP;
76	our $EMERGENCY_POSITION;	96	our $EMERGENCY_POSITION;
		97
		98	sub cf::map::normalise;
77		99
78	#############################################################################	100	#############################################################################
79		101
80	=head2 GLOBAL VARIABLES	102	=head2 GLOBAL VARIABLES
81		103
…		…
105		127
106	=item %cf::CFG	128	=item %cf::CFG
107		129
108	Configuration for the server, loaded from C</etc/crossfire/config>, or	130	Configuration for the server, loaded from C</etc/crossfire/config>, or
109	from wherever your confdir points to.	131	from wherever your confdir points to.
		132
		133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		134
		135	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		136	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		137	processing has been done. Call C<< ->wait >> on them to maximise the
		138	window of cpu time available, or simply to synchronise to the server tick.
110		139
111	=back	140	=back
112		141
113	=cut	142	=cut
114		143
…		…
118	utf8::encode $msg;	147	utf8::encode $msg;
119		148
120	$msg .= "\n"	149	$msg .= "\n"
121	unless $msg =~ /\n$/;	150	unless $msg =~ /\n$/;
122		151
123	LOG llevError, "cfperl: $msg";	152	LOG llevError, $msg;
124	};	153	};
125	}	154	}
126		155
127	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
128	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
146		175
147	$Event::DIED = sub {	176	$Event::DIED = sub {
148	warn "error in event callback: @_";	177	warn "error in event callback: @_";
149	};	178	};
150		179
151	my %ext_pkg;
152	my @exts;
153	my @hook;
154
155	=head2 UTILITY FUNCTIONS	180	=head2 UTILITY FUNCTIONS
156		181
157	=over 4	182	=over 4
158		183
		184	=item dumpval $ref
		185
159	=cut	186	=cut
		187
		188	sub dumpval {
		189	eval {
		190	local $SIG{__DIE__};
		191	my $d;
		192	if (1) {
		193	$d = new Data::Dumper([$_[0]], ["*var"]);
		194	$d->Terse(1);
		195	$d->Indent(2);
		196	$d->Quotekeys(0);
		197	$d->Useqq(1);
		198	#$d->Bless(...);
		199	$d->Seen($_[1]) if @_ > 1;
		200	$d = $d->Dump();
		201	}
		202	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		203	$d
		204	} || "[unable to dump $_[0]: '$@']";
		205	}
160		206
161	use JSON::Syck (); # TODO# replace by JSON::PC once working	207	use JSON::Syck (); # TODO# replace by JSON::PC once working
162		208
163	=item $ref = cf::from_json $json	209	=item $ref = cf::from_json $json
164		210
…		…
180	sub to_json($) {	226	sub to_json($) {
181	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
182	JSON::Syck::Dump $_[0]	228	JSON::Syck::Dump $_[0]
183	}	229	}
184		230
185	=item my $guard = cf::guard { BLOCK }
186
187	Run the given callback when the guard object gets destroyed (useful for
188	coroutine cancellations).
189
190	You can call C<< ->cancel >> on the guard object to stop the block from
191	being executed.
192
193	=cut
194
195	sub guard(&) {
196	bless \(my $cb = $_[0]), cf::guard::;
197	}
198
199	sub cf::guard::cancel {
200	${$_[0]} = sub { };
201	}
202
203	sub cf::guard::DESTROY {
204	${$_[0]}->();
205	}
206
207	=item cf::lock_wait $string	231	=item cf::lock_wait $string
208		232
209	Wait until the given lock is available. See cf::lock_acquire.	233	Wait until the given lock is available. See cf::lock_acquire.
210		234
211	=item my $lock = cf::lock_acquire $string	235	=item my $lock = cf::lock_acquire $string
212		236
213	Wait until the given lock is available and then acquires it and returns	237	Wait until the given lock is available and then acquires it and returns
214	a guard object. If the guard object gets destroyed (goes out of scope,	238	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
215	for example when the coroutine gets canceled), the lock is automatically	239	for example when the coroutine gets canceled), the lock is automatically
216	returned.	240	returned.
217		241
218	Lock names should begin with a unique identifier (for example, find_map	242	Lock names should begin with a unique identifier (for example, cf::map::find
219	uses map_find and load_map uses map_load).	243	uses map_find and cf::map::load uses map_load).
220		244
221	=cut	245	=cut
222		246
223	our %LOCK;	247	our %LOCK;
224		248
…		…
238	# wait, to be sure we are not locked	262	# wait, to be sure we are not locked
239	lock_wait $key;	263	lock_wait $key;
240		264
241	$LOCK{$key} = [];	265	$LOCK{$key} = [];
242		266
243	cf::guard {	267	Coro::guard {
244	# wake up all waiters, to be on the safe side	268	# wake up all waiters, to be on the safe side
245	$_->ready for @{ delete $LOCK{$key} };	269	$_->ready for @{ delete $LOCK{$key} };
246	}	270	}
247	}	271	}
248		272
		273	sub freeze_mainloop {
		274	return unless $TICK_WATCHER->is_active;
		275
		276	my $guard = Coro::guard {
		277	$TICK_WATCHER->start;
		278	};
		279	$TICK_WATCHER->stop;
		280	$guard
		281	}
		282
249	=item cf::async { BLOCK }	283	=item cf::async { BLOCK }
250		284
251	Like C<Coro::async>, but runs the given BLOCK in an eval and only logs the	285	Currently the same as Coro::async_pool, meaning you cannot use
252	error instead of exiting the server in case of a problem.	286	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		287	thing you are allowed to do is call C<prio> on it.
253		288
254	=cut	289	=cut
255		290
256	sub async(&) {	291	BEGIN { *async = \&Coro::async_pool }
257	my ($cb) = @_;
258
259	Coro::async {
260	eval { $cb->() };
261	warn $@ if $@;
262	}
263	}
264		292
265	=item cf::sync_job { BLOCK }	293	=item cf::sync_job { BLOCK }
266		294
267	The design of crossfire+ requires that the main coro ($Coro::main) is	295	The design of crossfire+ requires that the main coro ($Coro::main) is
268	always able to handle events or runnable, as crossfire+ is only partly	296	always able to handle events or runnable, as crossfire+ is only partly
…		…
282	# this is the main coro, too bad, we have to block	310	# this is the main coro, too bad, we have to block
283	# till the operation succeeds, freezing the server :/	311	# till the operation succeeds, freezing the server :/
284		312
285	# TODO: use suspend/resume instead	313	# TODO: use suspend/resume instead
286	# (but this is cancel-safe)	314	# (but this is cancel-safe)
287	local $FREEZE = 1;	315	my $freeze_guard = freeze_mainloop;
288		316
289	my $busy = 1;	317	my $busy = 1;
290	my @res;	318	my @res;
291		319
292	(Coro::async {	320	(async {
293	@res = eval { $job->() };	321	@res = eval { $job->() };
294	warn $@ if $@;	322	warn $@ if $@;
295	undef $busy;	323	undef $busy;
296	})->prio (Coro::PRIO_MAX);	324	})->prio (Coro::PRIO_MAX);
297		325
298	while ($busy) {	326	while ($busy) {
299	Coro::cede_notself;	327	Coro::cede or Event::one_event;
300	Event::one_event unless Coro::nready;
301	}	328	}
302		329
303	wantarray ? @res : $res[0]	330	wantarray ? @res : $res[0]
304	} else {	331	} else {
305	# we are in another coroutine, how wonderful, everything just works	332	# we are in another coroutine, how wonderful, everything just works
306		333
307	$job->()	334	$job->()
308	}	335	}
309	}	336	}
310		337
311	=item $coro = cf::coro { BLOCK }	338	=item $coro = cf::async_ext { BLOCK }
312		339
313	Creates and returns a new coro. This coro is automcatially being canceled	340	Like async, but this coro is automatically being canceled when the
314	when the extension calling this is being unloaded.	341	extension calling this is being unloaded.
315		342
316	=cut	343	=cut
317		344
318	sub coro(&) {	345	sub async_ext(&) {
319	my $cb = shift;	346	my $cb = shift;
320		347
321	my $coro = &cf::async ($cb);	348	my $coro = &Coro::async ($cb);
322		349
323	$coro->on_destroy (sub {	350	$coro->on_destroy (sub {
324	delete $EXT_CORO{$coro+0};	351	delete $EXT_CORO{$coro+0};
325	});	352	});
326	$EXT_CORO{$coro+0} = $coro;	353	$EXT_CORO{$coro+0} = $coro;
327		354
328	$coro	355	$coro
329	}	356	}
330		357
331	sub write_runtime {	358	sub write_runtime {
		359	my $guard = cf::lock_acquire "write_runtime";
		360
332	my $runtime = cf::localdir . "/runtime";	361	my $runtime = cf::localdir . "/runtime";
333		362
334	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	363	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
335	or return;	364	or return;
336		365
		366	my $value = $cf::RUNTIME + 90 + 10;
337	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	367	# 10 is the runtime save interval, for a monotonic clock
		368	# 60 allows for the watchdog to kill the server.
		369
338	(aio_write $fh, 0, (length $value), $value, 0) <= 0	370	(aio_write $fh, 0, (length $value), $value, 0) <= 0
339	and return;	371	and return;
340		372
		373	# always fsync - this file is important
341	aio_fsync $fh	374	aio_fsync $fh
342	and return;	375	and return;
343		376
344	close $fh	377	close $fh
345	or return;	378	or return;
…		…
351	}	384	}
352		385
353	=back	386	=back
354		387
355	=cut	388	=cut
356
357	#############################################################################
358
359	package cf::path;
360
361	sub new {
362	my ($class, $path, $base) = @_;
363
364	$path = $path->as_string if ref $path;
365
366	my $self = bless { }, $class;
367
368	# {... are special paths that are not touched
369	# ?xxx/... are special absolute paths
370	# ?random/... random maps
371	# /! non-realised random map exit
372	# /... normal maps
373	# ~/... per-player maps without a specific player (DO NOT USE)
374	# ~user/... per-player map of a specific user
375
376	if ($path =~ /^{/) {
377	# fine as it is
378	} elsif ($path =~ s{^\?random/}{}) {
379	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
380	$self->{random} = cf::from_json $data;
381	} else {
382	if ($path =~ s{^~([^/]+)?}{}) {
383	$self->{user_rel} = 1;
384
385	if (defined $1) {
386	$self->{user} = $1;
387	} elsif ($base =~ m{^~([^/]+)/}) {
388	$self->{user} = $1;
389	} else {
390	warn "cannot resolve user-relative path without user <$path,$base>\n";
391	}
392	} elsif ($path =~ /^\//) {
393	# already absolute
394	} else {
395	$base =~ s{[^/]+/?$}{};
396	return $class->new ("$base/$path");
397	}
398
399	for ($path) {
400	redo if s{/\.?/}{/};
401	redo if s{/[^/]+/\.\./}{/};
402	}
403	}
404
405	$self->{path} = $path;
406
407	$self
408	}
409
410	# the name / primary key / in-game path
411	sub as_string {
412	my ($self) = @_;
413
414	$self->{user_rel} ? "~$self->{user}$self->{path}"
415	: $self->{random} ? "?random/$self->{path}"
416	: $self->{path}
417	}
418
419	# the displayed name, this is a one way mapping
420	sub visible_name {
421	my ($self) = @_;
422
423	# if (my $rmp = $self->{random}) {
424	# # todo: be more intelligent about this
425	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
426	# } else {
427	$self->as_string
428	# }
429	}
430
431	# escape the /'s in the path
432	sub _escaped_path {
433	# ∕ is U+2215
434	(my $path = $_[0]{path}) =~ s/\//∕/g;
435	$path
436	}
437
438	# the original (read-only) location
439	sub load_path {
440	my ($self) = @_;
441
442	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
443	}
444
445	# the temporary/swap location
446	sub save_path {
447	my ($self) = @_;
448
449	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
450	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
451	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
452	}
453
454	# the unique path, might be eq to save_path
455	sub uniq_path {
456	my ($self) = @_;
457
458	$self->{user_rel} || $self->{random}
459	? undef
460	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
461	}
462
463	# return random map parameters, or undef
464	sub random_map_params {
465	my ($self) = @_;
466
467	$self->{random}
468	}
469
470	# this is somewhat ugly, but style maps do need special treatment
471	sub is_style_map {
472	$_[0]{path} =~ m{^/styles/}
473	}
474
475	package cf;
476		389
477	#############################################################################	390	#############################################################################
478		391
479	=head2 ATTACHABLE OBJECTS	392	=head2 ATTACHABLE OBJECTS
480		393
…		…
606	our @CB_TYPE = (); # registry for type (cf-object class) based events	519	our @CB_TYPE = (); # registry for type (cf-object class) based events
607	our @CB_MAP = ();	520	our @CB_MAP = ();
608		521
609	my %attachment;	522	my %attachment;
610		523
		524	sub cf::attachable::thawer_merge {
		525	# simply override everything except _meta
		526	local $_[0]{_meta};
		527	%{$_[0]} = %{$_[1]};
		528	}
		529
611	sub _attach_cb($$$$) {	530	sub _attach_cb($$$$) {
612	my ($registry, $event, $prio, $cb) = @_;	531	my ($registry, $event, $prio, $cb) = @_;
613		532
614	use sort 'stable';	533	use sort 'stable';
615		534
…		…
786	# object support	705	# object support
787		706
788	sub reattach {	707	sub reattach {
789	# basically do the same as instantiate, without calling instantiate	708	# basically do the same as instantiate, without calling instantiate
790	my ($obj) = @_;	709	my ($obj) = @_;
		710
		711	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
791		712
792	my $registry = $obj->registry;	713	my $registry = $obj->registry;
793		714
794	@$registry = ();	715	@$registry = ();
795		716
…		…
842	$filename, length $$rdata, scalar @$objs;	763	$filename, length $$rdata, scalar @$objs;
843		764
844	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	765	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
845	chmod SAVE_MODE, $fh;	766	chmod SAVE_MODE, $fh;
846	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	767	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
847	aio_fsync $fh;	768	aio_fsync $fh if $cf::USE_FSYNC;
848	close $fh;	769	close $fh;
849		770
850	if (@$objs) {	771	if (@$objs) {
851	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	772	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
852	chmod SAVE_MODE, $fh;	773	chmod SAVE_MODE, $fh;
853	my $data = Storable::nfreeze { version => 1, objs => $objs };	774	my $data = Storable::nfreeze { version => 1, objs => $objs };
854	aio_write $fh, 0, (length $data), $data, 0;	775	aio_write $fh, 0, (length $data), $data, 0;
855	aio_fsync $fh;	776	aio_fsync $fh if $cf::USE_FSYNC;
856	close $fh;	777	close $fh;
857	aio_rename "$filename.pst~", "$filename.pst";	778	aio_rename "$filename.pst~", "$filename.pst";
858	}	779	}
859	} else {	780	} else {
860	aio_unlink "$filename.pst";	781	aio_unlink "$filename.pst";
…		…
927	=cut	848	=cut
928		849
929	sub register_extcmd {	850	sub register_extcmd {
930	my ($name, $cb) = @_;	851	my ($name, $cb) = @_;
931		852
932	my $caller = caller;
933	#warn "registering extcmd '$name' to '$caller'";
934
935	$EXTCMD{$name} = [$cb, $caller];	853	$EXTCMD{$name} = $cb;
936	}	854	}
937		855
938	cf::player->attach (	856	cf::player->attach (
939	on_command => sub {	857	on_command => sub {
940	my ($pl, $name, $params) = @_;	858	my ($pl, $name, $params) = @_;
…		…
953		871
954	my $msg = eval { from_json $buf };	872	my $msg = eval { from_json $buf };
955		873
956	if (ref $msg) {	874	if (ref $msg) {
957	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	875	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
958	if (my %reply = $cb->[0]->($pl, $msg)) {	876	if (my %reply = $cb->($pl, $msg)) {
959	$pl->ext_reply ($msg->{msgid}, %reply);	877	$pl->ext_reply ($msg->{msgid}, %reply);
960	}	878	}
961	}	879	}
962	} else {	880	} else {
963	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	881	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
965		883
966	cf::override;	884	cf::override;
967	},	885	},
968	);	886	);
969		887
970	sub register {
971	my ($base, $pkg) = @_;
972
973	#TODO
974	}
975
976	sub load_extension {	888	sub load_extension {
977	my ($path) = @_;	889	my ($path) = @_;
978		890
979	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	891	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
980	my $base = $1;	892	my $base = $1;
981	my $pkg = $1;	893	my $pkg = $1;
982	$pkg =~ s/[^[:word:]]/_/g;	894	$pkg =~ s/[^[:word:]]/_/g;
983	$pkg = "ext::$pkg";	895	$pkg = "ext::$pkg";
984		896
985	warn "loading '$path' into '$pkg'\n";	897	warn "... loading '$path' into '$pkg'\n";
986		898
987	open my $fh, "<:utf8", $path	899	open my $fh, "<:utf8", $path
988	or die "$path: $!";	900	or die "$path: $!";
989		901
990	my $source =	902	my $source =
991	"package $pkg; use strict; use utf8;\n"	903	"package $pkg; use strict; use utf8;\n"
992	. "#line 1 \"$path\"\n{\n"	904	. "#line 1 \"$path\"\n{\n"
993	. (do { local $/; <$fh> })	905	. (do { local $/; <$fh> })
994	. "\n};\n1";	906	. "\n};\n1";
995		907
996	eval $source	908	unless (eval $source) {
997	or die $@ ? "$path: $@\n"	909	my $msg = $@ ? "$path: $@\n"
998	: "extension disabled.\n";	910	: "extension disabled.\n";
999		911	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1000	push @exts, $pkg;	912	warn $@;
1001	$ext_pkg{$base} = $pkg;	913	warn "mandatory extension failed to load, exiting.\n";
1002		914	exit 1;
1003	# no strict 'refs';	915	}
1004	# @{"$pkg\::ISA"} = ext::;	916	die $@;
1005
1006	register $base, $pkg;
1007	}
1008
1009	sub unload_extension {
1010	my ($pkg) = @_;
1011
1012	warn "removing extension $pkg\n";
1013
1014	# remove hooks
1015	#TODO
1016	# for my $idx (0 .. $#PLUGIN_EVENT) {
1017	# delete $hook[$idx]{$pkg};
1018	# }	917	}
1019		918
1020	# remove commands	919	push @EXTS, $pkg;
1021	for my $name (keys %COMMAND) {
1022	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1023
1024	if (@cb) {
1025	$COMMAND{$name} = \@cb;
1026	} else {
1027	delete $COMMAND{$name};
1028	}
1029	}
1030
1031	# remove extcmds
1032	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1033	delete $EXTCMD{$name};
1034	}
1035
1036	if (my $cb = $pkg->can ("unload")) {
1037	eval {
1038	$cb->($pkg);
1039	1
1040	} or warn "$pkg unloaded, but with errors: $@";
1041	}
1042
1043	Symbol::delete_package $pkg;
1044	}	920	}
1045		921
1046	sub load_extensions {	922	sub load_extensions {
1047	for my $ext (<$LIBDIR/*.ext>) {	923	for my $ext (<$LIBDIR/*.ext>) {
1048	next unless -r $ext;	924	next unless -r $ext;
…		…
1052	} or warn "$ext not loaded: $@";	928	} or warn "$ext not loaded: $@";
1053	}	929	}
1054	}	930	}
1055		931
1056	#############################################################################	932	#############################################################################
1057	# load/save/clean perl data associated with a map
1058
1059	*cf::mapsupport::on_clean = sub {
1060	my ($map) = @_;
1061
1062	my $path = $map->tmpname;
1063	defined $path or return;
1064
1065	unlink "$path.pst";
1066	};
1067
1068	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1069
1070	#############################################################################
1071	# load/save perl data associated with player->ob objects
1072
1073	sub all_objects(@) {
1074	@_, map all_objects ($_->inv), @_
1075	}
1076
1077	# TODO: compatibility cruft, remove when no longer needed
1078	cf::player->attach (
1079	on_load => sub {
1080	my ($pl, $path) = @_;
1081
1082	for my $o (all_objects $pl->ob) {
1083	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1084	$o->set_ob_key_value ("_perl_data");
1085
1086	%$o = %{ Storable::thaw pack "H*", $value };
1087	}
1088	}
1089	},
1090	);
1091
1092	#############################################################################
1093		933
1094	=head2 CORE EXTENSIONS	934	=head2 CORE EXTENSIONS
1095		935
1096	Functions and methods that extend core crossfire objects.	936	Functions and methods that extend core crossfire objects.
1097		937
		938	=cut
		939
		940	package cf::player;
		941
		942	use Coro::AIO;
		943
1098	=head3 cf::player	944	=head3 cf::player
1099		945
1100	=over 4	946	=over 4
1101		947
1102	=item cf::player::exists $login	948	=item cf::player::find $login
1103		949
1104	Returns true when the given account exists.	950	Returns the given player object, loading it if necessary (might block).
1105		951
1106	=cut	952	=cut
1107		953
1108	sub cf::player::exists($) {	954	sub playerdir($) {
1109	cf::player::find $_[0]	955	cf::localdir
1110	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	956	. "/"
		957	. cf::playerdir
		958	. "/"
		959	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		960	}
		961
		962	sub path($) {
		963	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		964
		965	(playerdir $login) . "/$login.pl"
		966	}
		967
		968	sub find_active($) {
		969	$cf::PLAYER{$_[0]}
		970	and $cf::PLAYER{$_[0]}->active
		971	and $cf::PLAYER{$_[0]}
		972	}
		973
		974	sub exists($) {
		975	my ($login) = @_;
		976
		977	$cf::PLAYER{$login}
		978	or cf::sync_job { !aio_stat path $login }
		979	}
		980
		981	sub find($) {
		982	return $cf::PLAYER{$_[0]} || do {
		983	my $login = $_[0];
		984
		985	my $guard = cf::lock_acquire "user_find:$login";
		986
		987	$cf::PLAYER{$_[0]} || do {
		988	my $pl = load_pl path $login
		989	or return;
		990	$cf::PLAYER{$login} = $pl
		991	}
		992	}
		993	}
		994
		995	sub save($) {
		996	my ($pl) = @_;
		997
		998	return if $pl->{deny_save};
		999
		1000	my $path = path $pl;
		1001	my $guard = cf::lock_acquire "user_save:$path";
		1002
		1003	return if $pl->{deny_save};
		1004
		1005	aio_mkdir playerdir $pl, 0770;
		1006	$pl->{last_save} = $cf::RUNTIME;
		1007
		1008	$pl->save_pl ($path);
		1009	Coro::cede;
		1010	}
		1011
		1012	sub new($) {
		1013	my ($login) = @_;
		1014
		1015	my $self = create;
		1016
		1017	$self->ob->name ($login);
		1018	$self->{deny_save} = 1;
		1019
		1020	$cf::PLAYER{$login} = $self;
		1021
		1022	$self
		1023	}
		1024
		1025	=item $pl->quit_character
		1026
		1027	Nukes the player without looking back. If logged in, the connection will
		1028	be destroyed. May block for a long time.
		1029
		1030	=cut
		1031
		1032	sub quit_character {
		1033	my ($pl) = @_;
		1034
		1035	my $name = $pl->ob->name;
		1036
		1037	$pl->{deny_save} = 1;
		1038	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1039
		1040	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1041	$pl->deactivate;
		1042	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1043	$pl->ns->destroy if $pl->ns;
		1044
		1045	my $path = playerdir $pl;
		1046	my $temp = "$path~$cf::RUNTIME~deleting~";
		1047	aio_rename $path, $temp;
		1048	delete $cf::PLAYER{$pl->ob->name};
		1049	$pl->destroy;
		1050
		1051	my $prefix = qr<^~\Q$name\E/>;
		1052
		1053	# nuke player maps
		1054	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1055
		1056	IO::AIO::aio_rmtree $temp;
		1057	}
		1058
		1059	=item cf::player::list_logins
		1060
		1061	Returns am arrayref of all valid playernames in the system, can take a
		1062	while and may block, so not sync_job-capable, ever.
		1063
		1064	=cut
		1065
		1066	sub list_logins {
		1067	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1068	or return [];
		1069
		1070	my @logins;
		1071
		1072	for my $login (@$dirs) {
		1073	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1074	aio_read $fh, 0, 512, my $buf, 0 or next;
		1075	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1076
		1077	utf8::decode $login;
		1078	push @logins, $login;
		1079	}
		1080
		1081	\@logins
		1082	}
		1083
		1084	=item $player->maps
		1085
		1086	Returns an arrayref of map paths that are private for this
		1087	player. May block.
		1088
		1089	=cut
		1090
		1091	sub maps($) {
		1092	my ($pl) = @_;
		1093
		1094	$pl = ref $pl ? $pl->ob->name : $pl;
		1095
		1096	my $files = aio_readdir playerdir $pl
		1097	or return;
		1098
		1099	my @paths;
		1100
		1101	for (@$files) {
		1102	utf8::decode $_;
		1103	next if /\.(?:pl|pst)$/;
		1104	next unless /^$PATH_SEP/o;
		1105
		1106	push @paths, cf::map::normalise "~$pl/$_";
		1107	}
		1108
		1109	\@paths
1111	}	1110	}
1112		1111
1113	=item $player->ext_reply ($msgid, $msgtype, %msg)	1112	=item $player->ext_reply ($msgid, $msgtype, %msg)
1114		1113
1115	Sends an ext reply to the player.	1114	Sends an ext reply to the player.
1116		1115
1117	=cut	1116	=cut
1118		1117
1119	sub cf::player::ext_reply($$$%) {	1118	sub ext_reply($$$%) {
1120	my ($self, $id, %msg) = @_;	1119	my ($self, $id, %msg) = @_;
1121		1120
1122	$msg{msgid} = $id;	1121	$msg{msgid} = $id;
1123		1122
1124	$self->send ("ext " . to_json \%msg);	1123	$self->send ("ext " . cf::to_json \%msg);
1125	}	1124	}
		1125
		1126	package cf;
1126		1127
1127	=back	1128	=back
1128		1129
1129		1130
1130	=head3 cf::map	1131	=head3 cf::map
…		…
1136	package cf::map;	1137	package cf::map;
1137		1138
1138	use Fcntl;	1139	use Fcntl;
1139	use Coro::AIO;	1140	use Coro::AIO;
1140		1141
		1142	use overload
		1143	'""' => \&as_string,
		1144	fallback => 1;
		1145
1141	our $MAX_RESET = 7200;	1146	our $MAX_RESET = 3600;
1142	our $DEFAULT_RESET = 3600;	1147	our $DEFAULT_RESET = 3000;
1143		1148
1144	sub generate_random_map {	1149	sub generate_random_map {
1145	my ($path, $rmp) = @_;	1150	my ($self, $rmp) = @_;
1146
1147	# mit "rum" bekleckern, nicht	1151	# mit "rum" bekleckern, nicht
1148	cf::map::_create_random_map	1152	$self->_create_random_map (
1149	$path,
1150	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1153	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1151	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1154	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1152	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1155	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1153	$rmp->{exit_on_final_map},	1156	$rmp->{exit_on_final_map},
1154	$rmp->{xsize}, $rmp->{ysize},	1157	$rmp->{xsize}, $rmp->{ysize},
1155	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1158	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1156	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1159	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1157	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1160	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1158	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1161	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1159	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1162	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1160	(cf::region::find $rmp->{region})	1163	(cf::region::find $rmp->{region}), $rmp->{custom}
		1164	)
		1165	}
		1166
		1167	=item cf::map->register ($regex, $prio)
		1168
		1169	Register a handler for the map path matching the given regex at the
		1170	givne priority (higher is better, built-in handlers have priority 0, the
		1171	default).
		1172
		1173	=cut
		1174
		1175	sub register {
		1176	my (undef, $regex, $prio) = @_;
		1177	my $pkg = caller;
		1178
		1179	no strict;
		1180	push @{"$pkg\::ISA"}, __PACKAGE__;
		1181
		1182	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1183	}
		1184
		1185	# also paths starting with '/'
		1186	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1187
		1188	sub thawer_merge {
		1189	my ($self, $merge) = @_;
		1190
		1191	# we have to keep some variables in memory intact
		1192	local $self->{path};
		1193	local $self->{load_path};
		1194	local $self->{deny_save};
		1195	local $self->{deny_reset};
		1196
		1197	$self->SUPER::thawer_merge ($merge);
		1198	}
		1199
		1200	sub normalise {
		1201	my ($path, $base) = @_;
		1202
		1203	$path = "$path"; # make sure its a string
		1204
		1205	$path =~ s/\.map$//;
		1206
		1207	# map plan:
		1208	#
		1209	# /! non-realised random map exit (special hack!)
		1210	# {... are special paths that are not being touched
		1211	# ?xxx/... are special absolute paths
		1212	# ?random/... random maps
		1213	# /... normal maps
		1214	# ~user/... per-player map of a specific user
		1215
		1216	$path =~ s/$PATH_SEP/\//go;
		1217
		1218	# treat it as relative path if it starts with
		1219	# something that looks reasonable
		1220	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1221	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1222
		1223	$base =~ s{[^/]+/?$}{};
		1224	$path = "$base/$path";
		1225	}
		1226
		1227	for ($path) {
		1228	redo if s{//}{/};
		1229	redo if s{/\.?/}{/};
		1230	redo if s{/[^/]+/\.\./}{/};
		1231	}
		1232
		1233	$path
		1234	}
		1235
		1236	sub new_from_path {
		1237	my (undef, $path, $base) = @_;
		1238
		1239	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1240
		1241	$path = normalise $path, $base;
		1242
		1243	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1244	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1245	my $self = bless cf::map::new, $pkg;
		1246	$self->{path} = $path; $self->path ($path);
		1247	$self->init; # pass $1 etc.
		1248	return $self;
		1249	}
		1250	}
		1251
		1252	Carp::carp "unable to resolve path '$path' (base '$base').";
		1253	()
		1254	}
		1255
		1256	sub init {
		1257	my ($self) = @_;
		1258
		1259	$self
		1260	}
		1261
		1262	sub as_string {
		1263	my ($self) = @_;
		1264
		1265	"$self->{path}"
		1266	}
		1267
		1268	# the displayed name, this is a one way mapping
		1269	sub visible_name {
		1270	&as_string
		1271	}
		1272
		1273	# the original (read-only) location
		1274	sub load_path {
		1275	my ($self) = @_;
		1276
		1277	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1278	}
		1279
		1280	# the temporary/swap location
		1281	sub save_path {
		1282	my ($self) = @_;
		1283
		1284	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1285	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1286	}
		1287
		1288	# the unique path, undef == no special unique path
		1289	sub uniq_path {
		1290	my ($self) = @_;
		1291
		1292	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1293	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1161	}	1294	}
1162		1295
1163	# and all this just because we cannot iterate over	1296	# and all this just because we cannot iterate over
1164	# all maps in C++...	1297	# all maps in C++...
1165	sub change_all_map_light {	1298	sub change_all_map_light {
…		…
1167		1300
1168	$_->change_map_light ($change)	1301	$_->change_map_light ($change)
1169	for grep $_->outdoor, values %cf::MAP;	1302	for grep $_->outdoor, values %cf::MAP;
1170	}	1303	}
1171		1304
		1305	sub unlink_save {
		1306	my ($self) = @_;
		1307
		1308	utf8::encode (my $save = $self->save_path);
		1309	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1310	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1311	}
		1312
1172	sub try_load_header($) {	1313	sub load_header_from($) {
1173	my ($path) = @_;	1314	my ($self, $path) = @_;
1174		1315
1175	utf8::encode $path;	1316	utf8::encode $path;
1176	aio_open $path, O_RDONLY, 0	1317	#aio_open $path, O_RDONLY, 0
		1318	# or return;
		1319
		1320	$self->_load_header ($path)
1177	or return;	1321	or return;
1178		1322
1179	my $map = cf::map::new	1323	$self->{load_path} = $path;
		1324
		1325	1
		1326	}
		1327
		1328	sub load_header_orig {
		1329	my ($self) = @_;
		1330
		1331	$self->load_header_from ($self->load_path)
		1332	}
		1333
		1334	sub load_header_temp {
		1335	my ($self) = @_;
		1336
		1337	$self->load_header_from ($self->save_path)
		1338	}
		1339
		1340	sub prepare_temp {
		1341	my ($self) = @_;
		1342
		1343	$self->last_access ((delete $self->{last_access})
		1344	|| $cf::RUNTIME); #d#
		1345	# safety
		1346	$self->{instantiate_time} = $cf::RUNTIME
		1347	if $self->{instantiate_time} > $cf::RUNTIME;
		1348	}
		1349
		1350	sub prepare_orig {
		1351	my ($self) = @_;
		1352
		1353	$self->{load_original} = 1;
		1354	$self->{instantiate_time} = $cf::RUNTIME;
		1355	$self->last_access ($cf::RUNTIME);
		1356	$self->instantiate;
		1357	}
		1358
		1359	sub load_header {
		1360	my ($self) = @_;
		1361
		1362	if ($self->load_header_temp) {
		1363	$self->prepare_temp;
		1364	} else {
		1365	$self->load_header_orig
1180	or return;	1366	or return;
		1367	$self->prepare_orig;
		1368	}
1181		1369
1182	$map->load_header ($path)	1370	1
1183	or return;
1184
1185	$map->{load_path} = $path;
1186
1187	$map
1188	}	1371	}
1189		1372
1190	sub find_map;	1373	sub find;
1191	sub find_map {	1374	sub find {
1192	my ($path, $origin) = @_;	1375	my ($path, $origin) = @_;
1193		1376
1194	#warn "find_map<$path,$origin>\n";#d#
1195
1196	$path = new cf::path $path, $origin && $origin->path;	1377	$path = normalise $path, $origin && $origin->path;
1197	my $key = $path->as_string;
1198		1378
1199	cf::lock_wait "map_find:$key";	1379	cf::lock_wait "map_find:$path";
1200		1380
1201	$cf::MAP{$key} || do {	1381	$cf::MAP{$path} || do {
1202	my $guard = cf::lock_acquire "map_find:$key";	1382	my $guard = cf::lock_acquire "map_find:$path";
1203		1383	my $map = new_from_path cf::map $path
1204	# do it the slow way
1205	my $map = try_load_header $path->save_path;
1206
1207	if ($map) {
1208	# safety
1209	$map->{instantiate_time} = $cf::RUNTIME
1210	if $map->{instantiate_time} > $cf::RUNTIME;
1211	} else {
1212	if (my $rmp = $path->random_map_params) {
1213	$map = generate_random_map $key, $rmp;
1214	} else {
1215	$map = try_load_header $path->load_path;
1216	}
1217
1218	$map or return;	1384	or return;
1219		1385
1220	$map->{load_original} = 1;
1221	$map->{instantiate_time} = $cf::RUNTIME;
1222	$map->instantiate;
1223
1224	# per-player maps become, after loading, normal maps
1225	$map->per_player (0) if $path->{user_rel};
1226	}
1227
1228	$map->path ($key);
1229	$map->{path} = $path;
1230	$map->{last_save} = $cf::RUNTIME;	1386	$map->{last_save} = $cf::RUNTIME;
1231	$map->last_access ($cf::RUNTIME);
1232		1387
1233	if ($map->should_reset) {	1388	$map->load_header
		1389	or return;
		1390
		1391	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1392	# doing this can freeze the server in a sync job, obviously
		1393	#$cf::WAIT_FOR_TICK->wait;
1234	$map->reset;	1394	$map->reset;
1235	undef $guard;	1395	undef $guard;
1236	$map = find_map $path	1396	return find $path;
1237	or return;
1238	}	1397	}
1239		1398
1240	$cf::MAP{$key} = $map	1399	$cf::MAP{$path} = $map
1241	}	1400	}
1242	}	1401	}
		1402
		1403	sub pre_load { }
		1404	sub post_load { }
1243		1405
1244	sub load {	1406	sub load {
1245	my ($self) = @_;	1407	my ($self) = @_;
1246		1408
		1409	local $self->{deny_reset} = 1; # loading can take a long time
		1410
1247	my $path = $self->{path};	1411	my $path = $self->{path};
1248	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1412	my $guard = cf::lock_acquire "map_load:$path";
1249		1413
1250	return if $self->in_memory != cf::MAP_SWAPPED;	1414	return if $self->in_memory != cf::MAP_SWAPPED;
1251		1415
1252	$self->in_memory (cf::MAP_LOADING);	1416	$self->in_memory (cf::MAP_LOADING);
1253		1417
1254	$self->alloc;	1418	$self->alloc;
		1419
		1420	$self->pre_load;
		1421
1255	$self->load_objects ($self->{load_path}, 1)	1422	$self->_load_objects ($self->{load_path}, 1)
1256	or return;	1423	or return;
1257		1424
1258	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1425	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1259	if delete $self->{load_original};	1426	if delete $self->{load_original};
1260		1427
1261	if (my $uniq = $path->uniq_path) {	1428	if (my $uniq = $self->uniq_path) {
1262	utf8::encode $uniq;	1429	utf8::encode $uniq;
1263	if (aio_open $uniq, O_RDONLY, 0) {	1430	if (aio_open $uniq, O_RDONLY, 0) {
1264	$self->clear_unique_items;	1431	$self->clear_unique_items;
1265	$self->load_objects ($uniq, 0);	1432	$self->_load_objects ($uniq, 0);
1266	}	1433	}
1267	}	1434	}
		1435
		1436	Coro::cede;
1268		1437
1269	# now do the right thing for maps	1438	# now do the right thing for maps
1270	$self->link_multipart_objects;	1439	$self->link_multipart_objects;
1271		1440
1272	if ($self->{path}->is_style_map) {	1441	unless ($self->{deny_activate}) {
1273	$self->{deny_save} = 1;	1442	$self->decay_objects;
1274	$self->{deny_reset} = 1;
1275	} else {
1276	$self->fix_auto_apply;	1443	$self->fix_auto_apply;
1277	$self->decay_objects;
1278	$self->update_buttons;	1444	$self->update_buttons;
		1445	Coro::cede;
1279	$self->set_darkness_map;	1446	$self->set_darkness_map;
1280	$self->difficulty ($self->estimate_difficulty)	1447	$self->difficulty ($self->estimate_difficulty)
1281	unless $self->difficulty;	1448	unless $self->difficulty;
		1449	Coro::cede;
1282	$self->activate;	1450	$self->activate;
1283	}	1451	}
1284		1452
		1453	$self->post_load;
		1454
1285	$self->in_memory (cf::MAP_IN_MEMORY);	1455	$self->in_memory (cf::MAP_IN_MEMORY);
1286	}	1456	}
1287		1457
1288	sub load_map_sync {	1458	sub customise_for {
		1459	my ($self, $ob) = @_;
		1460
		1461	return find "~" . $ob->name . "/" . $self->{path}
		1462	if $self->per_player;
		1463
		1464	$self
		1465	}
		1466
		1467	# find and load all maps in the 3x3 area around a map
		1468	sub load_diag {
		1469	my ($map) = @_;
		1470
		1471	my @diag; # diagonal neighbours
		1472
		1473	for (0 .. 3) {
		1474	my $neigh = $map->tile_path ($_)
		1475	or next;
		1476	$neigh = find $neigh, $map
		1477	or next;
		1478	$neigh->load;
		1479
		1480	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1481	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1482	}
		1483
		1484	for (@diag) {
		1485	my $neigh = find @$_
		1486	or next;
		1487	$neigh->load;
		1488	}
		1489	}
		1490
		1491	sub find_sync {
1289	my ($path, $origin) = @_;	1492	my ($path, $origin) = @_;
1290		1493
1291	#warn "load_map_sync<$path, $origin>\n";#d#	1494	cf::sync_job { find $path, $origin }
		1495	}
1292		1496
1293	cf::sync_job {	1497	sub do_load_sync {
1294	my $map = cf::map::find_map $path, $origin	1498	my ($map) = @_;
1295	or return;	1499
		1500	cf::sync_job { $map->load };
		1501	}
		1502
		1503	our %MAP_PREFETCH;
		1504	our $MAP_PREFETCHER = undef;
		1505
		1506	sub find_async {
		1507	my ($path, $origin) = @_;
		1508
		1509	$path = normalise $path, $origin && $origin->{path};
		1510
		1511	if (my $map = $cf::MAP{$path}) {
		1512	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1513	}
		1514
		1515	undef $MAP_PREFETCH{$path};
		1516	$MAP_PREFETCHER ||= cf::async {
		1517	while (%MAP_PREFETCH) {
		1518	for my $path (keys %MAP_PREFETCH) {
		1519	my $map = find $path
		1520	or next;
1296	$map->load;	1521	$map->load;
1297	$map	1522
		1523	delete $MAP_PREFETCH{$path};
		1524	}
		1525	}
		1526	undef $MAP_PREFETCHER;
1298	}	1527	};
		1528	$MAP_PREFETCHER->prio (6);
		1529
		1530	()
1299	}	1531	}
1300		1532
1301	sub save {	1533	sub save {
1302	my ($self) = @_;	1534	my ($self) = @_;
1303		1535
		1536	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1537
1304	$self->{last_save} = $cf::RUNTIME;	1538	$self->{last_save} = $cf::RUNTIME;
1305		1539
1306	return unless $self->dirty;	1540	return unless $self->dirty;
1307		1541
1308	my $save = $self->{path}->save_path; utf8::encode $save;	1542	my $save = $self->save_path; utf8::encode $save;
1309	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1543	my $uniq = $self->uniq_path; utf8::encode $uniq;
1310		1544
1311	$self->{load_path} = $save;	1545	$self->{load_path} = $save;
1312		1546
1313	return if $self->{deny_save};	1547	return if $self->{deny_save};
1314		1548
		1549	local $self->{last_access} = $self->last_access;#d#
		1550
		1551	cf::async {
		1552	$_->contr->save for $self->players;
		1553	};
		1554
1315	if ($uniq) {	1555	if ($uniq) {
1316	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1556	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1317	$self->save_objects ($uniq, cf::IO_UNIQUES);	1557	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1318	} else {	1558	} else {
1319	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1559	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1320	}	1560	}
1321	}	1561	}
1322		1562
1323	sub swap_out {	1563	sub swap_out {
1324	my ($self) = @_;	1564	my ($self) = @_;
1325		1565
1326	# save first because save cedes	1566	# save first because save cedes
1327	$self->save;	1567	$self->save;
		1568
		1569	my $lock = cf::lock_acquire "map_data:" . $self->path;
1328		1570
1329	return if $self->players;	1571	return if $self->players;
1330	return if $self->in_memory != cf::MAP_IN_MEMORY;	1572	return if $self->in_memory != cf::MAP_IN_MEMORY;
1331	return if $self->{deny_save};	1573	return if $self->{deny_save};
1332		1574
…		…
1336		1578
1337	sub reset_at {	1579	sub reset_at {
1338	my ($self) = @_;	1580	my ($self) = @_;
1339		1581
1340	# TODO: safety, remove and allow resettable per-player maps	1582	# TODO: safety, remove and allow resettable per-player maps
1341	return 1e99 if $self->{path}{user_rel};	1583	return 1e99 if $self->isa ("ext::map_per_player");#d#
1342	return 1e99 if $self->{deny_reset};	1584	return 1e99 if $self->{deny_reset};
1343		1585
1344	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1586	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1345	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1587	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1346		1588
…		…
1351	my ($self) = @_;	1593	my ($self) = @_;
1352		1594
1353	$self->reset_at <= $cf::RUNTIME	1595	$self->reset_at <= $cf::RUNTIME
1354	}	1596	}
1355		1597
1356	sub unlink_save {
1357	my ($self) = @_;
1358
1359	utf8::encode (my $save = $self->{path}->save_path);
1360	aioreq_pri 3; IO::AIO::aio_unlink $save;
1361	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1362	}
1363
1364	sub rename {
1365	my ($self, $new_path) = @_;
1366
1367	$self->unlink_save;
1368
1369	delete $cf::MAP{$self->path};
1370	$self->{path} = new cf::path $new_path;
1371	$self->path ($self->{path}->as_string);
1372	$cf::MAP{$self->path} = $self;
1373
1374	$self->save;
1375	}
1376
1377	sub reset {	1598	sub reset {
1378	my ($self) = @_;	1599	my ($self) = @_;
1379		1600
		1601	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1602
1380	return if $self->players;	1603	return if $self->players;
1381	return if $self->{path}{user_rel};#d#	1604	return if $self->isa ("ext::map_per_player");#d#
1382		1605
1383	warn "resetting map ", $self->path;#d#	1606	warn "resetting map ", $self->path;#d#
1384		1607
		1608	$self->in_memory (cf::MAP_SWAPPED);
		1609
		1610	# need to save uniques path
		1611	unless ($self->{deny_save}) {
		1612	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1613
		1614	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1615	if $uniq;
		1616	}
		1617
1385	delete $cf::MAP{$self->path};	1618	delete $cf::MAP{$self->path};
		1619
		1620	$self->clear;
1386		1621
1387	$_->clear_links_to ($self) for values %cf::MAP;	1622	$_->clear_links_to ($self) for values %cf::MAP;
1388		1623
1389	$self->unlink_save;	1624	$self->unlink_save;
1390	$self->destroy;	1625	$self->destroy;
…		…
1393	my $nuke_counter = "aaaa";	1628	my $nuke_counter = "aaaa";
1394		1629
1395	sub nuke {	1630	sub nuke {
1396	my ($self) = @_;	1631	my ($self) = @_;
1397		1632
		1633	delete $cf::MAP{$self->path};
		1634
		1635	$self->unlink_save;
		1636
		1637	bless $self, "cf::map";
		1638	delete $self->{deny_reset};
1398	$self->{deny_save} = 1;	1639	$self->{deny_save} = 1;
1399	$self->reset_timeout (1);	1640	$self->reset_timeout (1);
1400	$self->rename ("{nuke}/" . ($nuke_counter++));	1641	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1642
		1643	$cf::MAP{$self->path} = $self;
		1644
1401	$self->reset; # polite request, might not happen	1645	$self->reset; # polite request, might not happen
1402	}	1646	}
1403		1647
1404	sub customise_for {	1648	=item cf::map::unique_maps
1405	my ($map, $ob) = @_;
1406		1649
1407	if ($map->per_player) {	1650	Returns an arrayref of paths of all shared maps that have
1408	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1651	instantiated unique items. May block.
1409	}
1410		1652
1411	$map	1653	=cut
1412	}
1413		1654
1414	sub emergency_save {	1655	sub unique_maps() {
1415	local $cf::FREEZE = 1;	1656	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1657	or return;
1416		1658
1417	warn "enter emergency map save\n";	1659	my @paths;
1418		1660
1419	cf::sync_job {	1661	for (@$files) {
1420	warn "begin emergency map save\n";	1662	utf8::decode $_;
1421	$_->save for values %cf::MAP;	1663	next if /\.pst$/;
		1664	next unless /^$PATH_SEP/o;
		1665
		1666	push @paths, cf::map::normalise $_;
1422	};	1667	}
1423		1668
1424	warn "end emergency map save\n";	1669	\@paths
1425	}	1670	}
1426		1671
1427	package cf;	1672	package cf;
1428		1673
1429	=back	1674	=back
1430		1675
		1676	=head3 cf::object
		1677
		1678	=cut
		1679
		1680	package cf::object;
		1681
		1682	=over 4
		1683
		1684	=item $ob->inv_recursive
		1685
		1686	Returns the inventory of the object _and_ their inventories, recursively.
		1687
		1688	=cut
		1689
		1690	sub inv_recursive_;
		1691	sub inv_recursive_ {
		1692	map { $_, inv_recursive_ $_->inv } @_
		1693	}
		1694
		1695	sub inv_recursive {
		1696	inv_recursive_ inv $_[0]
		1697	}
		1698
		1699	package cf;
		1700
		1701	=back
1431		1702
1432	=head3 cf::object::player	1703	=head3 cf::object::player
1433		1704
1434	=over 4	1705	=over 4
1435		1706
…		…
1475		1746
1476	=item $player_object->enter_link	1747	=item $player_object->enter_link
1477		1748
1478	Freezes the player and moves him/her to a special map (C<{link}>).	1749	Freezes the player and moves him/her to a special map (C<{link}>).
1479		1750
1480	The player should be reaosnably safe there for short amounts of time. You	1751	The player should be reasonably safe there for short amounts of time. You
1481	I<MUST> call C<leave_link> as soon as possible, though.	1752	I<MUST> call C<leave_link> as soon as possible, though.
1482		1753
		1754	Will never block.
		1755
1483	=item $player_object->leave_link ($map, $x, $y)	1756	=item $player_object->leave_link ($map, $x, $y)
1484		1757
1485	Moves the player out of the specila link map onto the given map. If the	1758	Moves the player out of the special C<{link}> map onto the specified
1486	map is not valid (or omitted), the player will be moved back to the	1759	map. If the map is not valid (or omitted), the player will be moved back
1487	location he/she was before the call to C<enter_link>, or, if that fails,	1760	to the location he/she was before the call to C<enter_link>, or, if that
1488	to the emergency map position.	1761	fails, to the emergency map position.
1489		1762
1490	Might block.	1763	Might block.
1491		1764
1492	=cut	1765	=cut
		1766
		1767	sub link_map {
		1768	unless ($LINK_MAP) {
		1769	$LINK_MAP = cf::map::find "{link}"
		1770	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1771	$LINK_MAP->load;
		1772	}
		1773
		1774	$LINK_MAP
		1775	}
1493		1776
1494	sub cf::object::player::enter_link {	1777	sub cf::object::player::enter_link {
1495	my ($self) = @_;	1778	my ($self) = @_;
1496		1779
1497	$self->deactivate_recursive;	1780	$self->deactivate_recursive;
1498		1781
1499	return if $self->map == $LINK_MAP;	1782	return if UNIVERSAL::isa $self->map, "ext::map_link";
1500		1783
1501	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1784	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1502	if $self->map;	1785	if $self->map;
1503		1786
1504	$self->enter_map ($LINK_MAP, 20, 20);	1787	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1505	}	1788	}
1506		1789
1507	sub cf::object::player::leave_link {	1790	sub cf::object::player::leave_link {
1508	my ($self, $map, $x, $y) = @_;	1791	my ($self, $map, $x, $y) = @_;
1509		1792
1510	my $link_pos = delete $self->{_link_pos};	1793	my $link_pos = delete $self->{_link_pos};
1511		1794
1512	unless ($map) {	1795	unless ($map) {
1513	# restore original map position	1796	# restore original map position
1514	($map, $x, $y) = @{ $link_pos || [] };	1797	($map, $x, $y) = @{ $link_pos || [] };
1515	$map = cf::map::find_map $map;	1798	$map = cf::map::find $map;
1516		1799
1517	unless ($map) {	1800	unless ($map) {
1518	($map, $x, $y) = @$EMERGENCY_POSITION;	1801	($map, $x, $y) = @$EMERGENCY_POSITION;
1519	$map = cf::map::find_map $map	1802	$map = cf::map::find $map
1520	or die "FATAL: cannot load emergency map\n";	1803	or die "FATAL: cannot load emergency map\n";
1521	}	1804	}
1522	}	1805	}
1523		1806
1524	($x, $y) = (-1, -1)	1807	($x, $y) = (-1, -1)
…		…
1527	# use -1 or undef as default coordinates, not 0, 0	1810	# use -1 or undef as default coordinates, not 0, 0
1528	($x, $y) = ($map->enter_x, $map->enter_y)	1811	($x, $y) = ($map->enter_x, $map->enter_y)
1529	if $x <=0 && $y <= 0;	1812	if $x <=0 && $y <= 0;
1530		1813
1531	$map->load;	1814	$map->load;
		1815	$map->load_diag;
1532		1816
		1817	return unless $self->contr->active;
1533	$self->activate_recursive;	1818	$self->activate_recursive;
		1819
		1820	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1534	$self->enter_map ($map, $x, $y);	1821	$self->enter_map ($map, $x, $y);
1535	}	1822	}
1536		1823
1537	cf::player->attach (	1824	cf::player->attach (
1538	on_logout => sub {	1825	on_logout => sub {
…		…
1550		1837
1551	# try to abort aborted map switching on player login :)	1838	# try to abort aborted map switching on player login :)
1552	# should happen only on crashes	1839	# should happen only on crashes
1553	if ($pl->ob->{_link_pos}) {	1840	if ($pl->ob->{_link_pos}) {
1554	$pl->ob->enter_link;	1841	$pl->ob->enter_link;
1555	cf::async {	1842	(async {
		1843	$pl->ob->reply (undef,
		1844	"There was an internal problem at your last logout, "
		1845	. "the server will try to bring you to your intended destination in a second.",
		1846	cf::NDI_RED);
1556	# we need this sleep as the login has a concurrent enter_exit running	1847	# we need this sleep as the login has a concurrent enter_exit running
1557	# and this sleep increases chances of the player not ending up in scorn	1848	# and this sleep increases chances of the player not ending up in scorn
1558	Coro::Timer::sleep 1;	1849	Coro::Timer::sleep 1;
1559	$pl->ob->leave_link;	1850	$pl->ob->leave_link;
1560	};	1851	})->prio (2);
1561	}	1852	}
1562	},	1853	},
1563	);	1854	);
1564		1855
1565	=item $player_object->goto_map ($path, $x, $y)	1856	=item $player_object->goto ($path, $x, $y)
1566		1857
1567	=cut	1858	=cut
1568		1859
1569	sub cf::object::player::goto_map {	1860	sub cf::object::player::goto {
1570	my ($self, $path, $x, $y) = @_;	1861	my ($self, $path, $x, $y) = @_;
1571		1862
1572	$self->enter_link;	1863	$self->enter_link;
1573		1864
1574	(cf::async {	1865	(async {
1575	$path = new cf::path $path;	1866	my $map = eval {
1576
1577	my $map = cf::map::find_map $path->as_string;	1867	my $map = cf::map::find $path;
1578	$map = $map->customise_for ($self) if $map;	1868	$map = $map->customise_for ($self) if $map;
1579		1869	$map
1580	# warn "entering ", $map->path, " at ($x, $y)\n"	1870	} or
1581	# if $map;
1582
1583	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1871	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1584		1872
1585	$self->leave_link ($map, $x, $y);	1873	$self->leave_link ($map, $x, $y);
1586	})->prio (1);	1874	})->prio (1);
1587	}	1875	}
1588		1876
…		…
1592		1880
1593	sub parse_random_map_params {	1881	sub parse_random_map_params {
1594	my ($spec) = @_;	1882	my ($spec) = @_;
1595		1883
1596	my $rmp = { # defaults	1884	my $rmp = { # defaults
1597	xsize => 10,	1885	xsize => (cf::rndm 15, 40),
1598	ysize => 10,	1886	ysize => (cf::rndm 15, 40),
		1887	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1888	#layout => string,
1599	};	1889	};
1600		1890
1601	for (split /\n/, $spec) {	1891	for (split /\n/, $spec) {
1602	my ($k, $v) = split /\s+/, $_, 2;	1892	my ($k, $v) = split /\s+/, $_, 2;
1603		1893
…		…
1607	$rmp	1897	$rmp
1608	}	1898	}
1609		1899
1610	sub prepare_random_map {	1900	sub prepare_random_map {
1611	my ($exit) = @_;	1901	my ($exit) = @_;
		1902
		1903	my $guard = cf::lock_acquire "exit_prepare:$exit";
1612		1904
1613	# all this does is basically replace the /! path by	1905	# all this does is basically replace the /! path by
1614	# a new random map path (?random/...) with a seed	1906	# a new random map path (?random/...) with a seed
1615	# that depends on the exit object	1907	# that depends on the exit object
1616		1908
1617	my $rmp = parse_random_map_params $exit->msg;	1909	my $rmp = parse_random_map_params $exit->msg;
1618		1910
1619	if ($exit->map) {	1911	if ($exit->map) {
1620	$rmp->{region} = $exit->map->region_name;	1912	$rmp->{region} = $exit->region->name;
1621	$rmp->{origin_map} = $exit->map->path;	1913	$rmp->{origin_map} = $exit->map->path;
1622	$rmp->{origin_x} = $exit->x;	1914	$rmp->{origin_x} = $exit->x;
1623	$rmp->{origin_y} = $exit->y;	1915	$rmp->{origin_y} = $exit->y;
1624	}	1916	}
1625		1917
1626	$rmp->{random_seed} ||= $exit->random_seed;	1918	$rmp->{random_seed} ||= $exit->random_seed;
1627		1919
1628	my $data = cf::to_json $rmp;	1920	my $data = cf::to_json $rmp;
1629	my $md5 = Digest::MD5::md5_hex $data;	1921	my $md5 = Digest::MD5::md5_hex $data;
		1922	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1630		1923
1631	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1924	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1632	aio_write $fh, 0, (length $data), $data, 0;	1925	aio_write $fh, 0, (length $data), $data, 0;
		1926	undef $fh;
		1927	aio_rename "$meta~", $meta;
1633		1928
1634	$exit->slaying ("?random/$md5");	1929	$exit->slaying ("?random/$md5");
1635	$exit->msg (undef);	1930	$exit->msg (undef);
1636	}	1931	}
1637	}	1932	}
…		…
1639	sub cf::object::player::enter_exit {	1934	sub cf::object::player::enter_exit {
1640	my ($self, $exit) = @_;	1935	my ($self, $exit) = @_;
1641		1936
1642	return unless $self->type == cf::PLAYER;	1937	return unless $self->type == cf::PLAYER;
1643		1938
		1939	if ($exit->slaying eq "/!") {
		1940	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1941	cf::sync_job { prepare_random_map $exit };
		1942	}
		1943
		1944	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1945	my $hp = $exit->stats->hp;
		1946	my $sp = $exit->stats->sp;
		1947
1644	$self->enter_link;	1948	$self->enter_link;
1645		1949
1646	(cf::async {	1950	(async {
		1951	$self->deactivate_recursive; # just to be sure
1647	unless (eval {	1952	unless (eval {
1648	prepare_random_map $exit	1953	$self->goto ($slaying, $hp, $sp);
1649	if $exit->slaying eq "/!";
1650
1651	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1652	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1653		1954
1654	1;	1955	1;
1655	}) {	1956	}) {
1656	$self->message ("Something went wrong deep within the crossfire server. "	1957	$self->message ("Something went wrong deep within the crossfire server. "
1657	. "I'll try to bring you back to the map you were before. "	1958	. "I'll try to bring you back to the map you were before. "
1658	. "Please report this to the dungeon master",	1959	. "Please report this to the dungeon master!",
1659	cf::NDI_UNIQUE | cf::NDI_RED);	1960	cf::NDI_UNIQUE | cf::NDI_RED);
1660		1961
1661	warn "ERROR in enter_exit: $@";	1962	warn "ERROR in enter_exit: $@";
1662	$self->leave_link;	1963	$self->leave_link;
1663	}	1964	}
…		…
1718	# get handled first	2019	# get handled first
1719	my $queue = delete $ns->{query_queue}	2020	my $queue = delete $ns->{query_queue}
1720	or return; # be conservative, not sure how that can happen, but we saw a crash here	2021	or return; # be conservative, not sure how that can happen, but we saw a crash here
1721		2022
1722	(shift @$queue)->[1]->($msg);	2023	(shift @$queue)->[1]->($msg);
		2024	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1723		2025
1724	push @{ $ns->{query_queue} }, @$queue;	2026	push @{ $ns->{query_queue} }, @$queue;
1725		2027
1726	if (@{ $ns->{query_queue} } == @$queue) {	2028	if (@{ $ns->{query_queue} } == @$queue) {
1727	if (@$queue) {	2029	if (@$queue) {
…		…
1731	}	2033	}
1732	}	2034	}
1733	},	2035	},
1734	);	2036	);
1735		2037
1736	=item $client->coro (\&cb)	2038	=item $client->async (\&cb)
1737		2039
1738	Create a new coroutine, running the specified callback. The coroutine will	2040	Create a new coroutine, running the specified callback. The coroutine will
1739	be automatically cancelled when the client gets destroyed (e.g. on logout,	2041	be automatically cancelled when the client gets destroyed (e.g. on logout,
1740	or loss of connection).	2042	or loss of connection).
1741		2043
1742	=cut	2044	=cut
1743		2045
1744	sub cf::client::coro {	2046	sub cf::client::async {
1745	my ($self, $cb) = @_;	2047	my ($self, $cb) = @_;
1746		2048
1747	my $coro = &cf::async ($cb);	2049	my $coro = &Coro::async ($cb);
1748		2050
1749	$coro->on_destroy (sub {	2051	$coro->on_destroy (sub {
1750	delete $self->{_coro}{$coro+0};	2052	delete $self->{_coro}{$coro+0};
1751	});	2053	});
1752		2054
…		…
1888	The parameter C<$family> should best start with the name of the extension	2190	The parameter C<$family> should best start with the name of the extension
1889	using it, it should be unique.	2191	using it, it should be unique.
1890		2192
1891	=over 4	2193	=over 4
1892		2194
1893	=item $hashref = cf::db_get $family
1894
1895	Return a hashref for use by the extension C<$family>, which can be
1896	modified. After modifications, you have to call C<cf::db_dirty> or
1897	C<cf::db_sync>.
1898
1899	=item $value = cf::db_get $family => $key	2195	=item $value = cf::db_get $family => $key
1900		2196
1901	Returns a single value from the database	2197	Returns a single value from the database.
1902
1903	=item cf::db_put $family => $hashref
1904
1905	Stores the given family hashref into the database. Updates are delayed, if
1906	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1907		2198
1908	=item cf::db_put $family => $key => $value	2199	=item cf::db_put $family => $key => $value
1909		2200
1910	Stores the given C<$value> in the family hash. Updates are delayed, if you	2201	Stores the given C<$value> in the family.
1911	want the data to be synced to disk immediately, use C<cf::db_sync>.
1912
1913	=item cf::db_dirty
1914
1915	Marks the database as dirty, to be updated at a later time.
1916
1917	=item cf::db_sync
1918
1919	Immediately write the database to disk I<if it is dirty>.
1920		2202
1921	=cut	2203	=cut
1922		2204
1923	our $DB;	2205	our $DB;
1924		2206
1925	{	2207	sub db_init {
		2208	unless ($DB) {
		2209	$DB = BDB::db_create $DB_ENV;
		2210
		2211	cf::sync_job {
		2212	eval {
		2213	$DB->set_flags (BDB::CHKSUM);
		2214
		2215	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2216	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2217	cf::cleanup "db_open(db): $!" if $!;
		2218	};
		2219	cf::cleanup "db_open(db): $@" if $@;
		2220	};
		2221
1926	my $path = cf::localdir . "/database.pst";	2222	my $path = cf::localdir . "/database.pst";
		2223	if (stat $path) {
		2224	cf::sync_job {
		2225	my $pst = Storable::retrieve $path;
1927		2226
1928	sub db_load() {	2227	cf::db_put (board => data => $pst->{board});
1929	$DB = stat $path ? Storable::retrieve $path : { };	2228	cf::db_put (guildrules => data => $pst->{guildrules});
1930	}	2229	cf::db_put (rent => balance => $pst->{rent}{balance});
		2230	BDB::db_env_txn_checkpoint $DB_ENV;
1931		2231
1932	my $pid;	2232	unlink $path;
1933
1934	sub db_save() {
1935	waitpid $pid, 0 if $pid;
1936	if (0 == ($pid = fork)) {
1937	$DB->{_meta}{version} = 1;
1938	Storable::nstore $DB, "$path~";
1939	rename "$path~", $path;
1940	cf::_exit 0 if defined $pid;
1941	}	2233	};
1942	}
1943
1944	my $dirty;
1945
1946	sub db_sync() {
1947	db_save if $dirty;
1948	undef $dirty;
1949	}
1950
1951	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1952	db_sync;
1953	});
1954
1955	sub db_dirty() {
1956	$dirty = 1;
1957	$idle->start;
1958	}
1959
1960	sub db_get($;$) {
1961	@_ >= 2
1962	? $DB->{$_[0]}{$_[1]}
1963	: ($DB->{$_[0]} ||= { })
1964	}
1965
1966	sub db_put($$;$) {
1967	if (@_ >= 3) {
1968	$DB->{$_[0]}{$_[1]} = $_[2];
1969	} else {
1970	$DB->{$_[0]} = $_[1];
1971	}
1972	db_dirty;
1973	}
1974
1975	cf::global->attach (
1976	prio => 10000,
1977	on_cleanup => sub {
1978	db_sync;
1979	},	2234	}
1980	);	2235	}
		2236	}
		2237
		2238	sub db_get($$) {
		2239	my $key = "$_[0]/$_[1]";
		2240
		2241	cf::sync_job {
		2242	BDB::db_get $DB, undef, $key, my $data;
		2243
		2244	$! ? ()
		2245	: Compress::LZF::sthaw $data
		2246	}
		2247	}
		2248
		2249	sub db_put($$$) {
		2250	BDB::dbreq_pri 4;
		2251	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
1981	}	2252	}
1982		2253
1983	#############################################################################	2254	#############################################################################
1984	# the server's main()	2255	# the server's init and main functions
		2256
		2257	sub init_resources {
		2258	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2259	or die "unable to load regions file\n";#d#
		2260	}
1985		2261
1986	sub cfg_load {	2262	sub cfg_load {
1987	open my $fh, "<:utf8", cf::confdir . "/config"	2263	open my $fh, "<:utf8", cf::confdir . "/config"
1988	or return;	2264	or return;
1989		2265
1990	local $/;	2266	local $/;
1991	*CFG = YAML::Syck::Load <$fh>;	2267	*CFG = YAML::Syck::Load <$fh>;
1992		2268
1993	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	2269	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
1994		2270
		2271	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2272	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2273
1995	if (exists $CFG{mlockall}) {	2274	if (exists $CFG{mlockall}) {
1996	eval {	2275	eval {
1997	$CFG{mlockall} ? &mlockall : &munlockall	2276	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
1998	and die "WARNING: m(un)lockall failed: $!\n";	2277	and die "WARNING: m(un)lockall failed: $!\n";
1999	};	2278	};
2000	warn $@ if $@;	2279	warn $@ if $@;
2001	}	2280	}
		2281	}
		2282
		2283	sub init {
		2284	init_resources;
2002	}	2285	}
2003		2286
2004	sub main {	2287	sub main {
2005	# we must not ever block the main coroutine	2288	# we must not ever block the main coroutine
2006	local $Coro::idle = sub {	2289	local $Coro::idle = sub {
2007	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2290	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2008	(Coro::unblock_sub {	2291	(async {
2009	Event::one_event;	2292	Event::one_event;
2010	})->();	2293	})->prio (Coro::PRIO_MAX);
2011	};	2294	};
2012		2295
2013	cfg_load;	2296	cfg_load;
2014	db_load;	2297	db_init;
2015	load_extensions;	2298	load_extensions;
		2299
		2300	$TICK_WATCHER->start;
2016	Event::loop;	2301	Event::loop;
2017	}	2302	}
2018		2303
2019	#############################################################################	2304	#############################################################################
2020	# initialisation	2305	# initialisation and cleanup
		2306
		2307	# install some emergency cleanup handlers
		2308	BEGIN {
		2309	for my $signal (qw(INT HUP TERM)) {
		2310	Event->signal (
		2311	reentrant => 0,
		2312	data => WF_AUTOCANCEL,
		2313	signal => $signal,
		2314	prio => 0,
		2315	cb => sub {
		2316	cf::cleanup "SIG$signal";
		2317	},
		2318	);
		2319	}
		2320	}
		2321
		2322	sub emergency_save() {
		2323	my $freeze_guard = cf::freeze_mainloop;
		2324
		2325	warn "enter emergency perl save\n";
		2326
		2327	cf::sync_job {
		2328	# use a peculiar iteration method to avoid tripping on perl
		2329	# refcount bugs in for. also avoids problems with players
		2330	# and maps saved/destroyed asynchronously.
		2331	warn "begin emergency player save\n";
		2332	for my $login (keys %cf::PLAYER) {
		2333	my $pl = $cf::PLAYER{$login} or next;
		2334	$pl->valid or next;
		2335	$pl->save;
		2336	}
		2337	warn "end emergency player save\n";
		2338
		2339	warn "begin emergency map save\n";
		2340	for my $path (keys %cf::MAP) {
		2341	my $map = $cf::MAP{$path} or next;
		2342	$map->valid or next;
		2343	$map->save;
		2344	}
		2345	warn "end emergency map save\n";
		2346
		2347	warn "begin emergency database checkpoint\n";
		2348	BDB::db_env_txn_checkpoint $DB_ENV;
		2349	warn "end emergency database checkpoint\n";
		2350	};
		2351
		2352	warn "leave emergency perl save\n";
		2353	}
		2354
		2355	sub post_cleanup {
		2356	my ($make_core) = @_;
		2357
		2358	warn Carp::longmess "post_cleanup backtrace"
		2359	if $make_core;
		2360	}
2021		2361
2022	sub reload() {	2362	sub reload() {
2023	# can/must only be called in main	2363	# can/must only be called in main
2024	if ($Coro::current != $Coro::main) {	2364	if ($Coro::current != $Coro::main) {
2025	warn "can only reload from main coroutine\n";	2365	warn "can only reload from main coroutine";
2026	return;	2366	return;
2027	}	2367	}
2028		2368
2029	warn "reloading...";	2369	warn "reloading...";
2030		2370
2031	local $FREEZE = 1;	2371	warn "entering sync_job";
		2372
		2373	cf::sync_job {
		2374	cf::write_runtime; # external watchdog should not bark
2032	cf::emergency_save;	2375	cf::emergency_save;
		2376	cf::write_runtime; # external watchdog should not bark
2033		2377
2034	eval {	2378	warn "syncing database to disk";
		2379	BDB::db_env_txn_checkpoint $DB_ENV;
		2380
2035	# if anything goes wrong in here, we should simply crash as we already saved	2381	# if anything goes wrong in here, we should simply crash as we already saved
2036		2382
2037	# cancel all watchers	2383	warn "cancelling all WF_AUTOCANCEL watchers";
2038	for (Event::all_watchers) {	2384	for (Event::all_watchers) {
2039	$_->cancel if $_->data & WF_AUTOCANCEL;	2385	$_->cancel if $_->data & WF_AUTOCANCEL;
2040	}	2386	}
2041		2387
		2388	warn "flushing outstanding aio requests";
		2389	for (;;) {
		2390	BDB::flush;
		2391	IO::AIO::flush;
		2392	Coro::cede;
		2393	last unless IO::AIO::nreqs || BDB::nreqs;
		2394	warn "iterate...";
		2395	}
		2396
2042	# cancel all extension coros	2397	warn "cancelling all extension coros";
2043	$_->cancel for values %EXT_CORO;	2398	$_->cancel for values %EXT_CORO;
2044	%EXT_CORO = ();	2399	%EXT_CORO = ();
2045		2400
2046	# unload all extensions	2401	warn "removing commands";
2047	for (@exts) {	2402	%COMMAND = ();
		2403
		2404	warn "removing ext commands";
		2405	%EXTCMD = ();
		2406
		2407	warn "unloading/nuking all extensions";
		2408	for my $pkg (@EXTS) {
2048	warn "unloading <$_>";	2409	warn "... unloading $pkg";
2049	unload_extension $_;	2410
		2411	if (my $cb = $pkg->can ("unload")) {
		2412	eval {
		2413	$cb->($pkg);
		2414	1
		2415	} or warn "$pkg unloaded, but with errors: $@";
2050	}	2416	}
2051		2417
		2418	warn "... nuking $pkg";
		2419	Symbol::delete_package $pkg;
		2420	}
		2421
2052	# unload all modules loaded from $LIBDIR	2422	warn "unloading all perl modules loaded from $LIBDIR";
2053	while (my ($k, $v) = each %INC) {	2423	while (my ($k, $v) = each %INC) {
2054	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2424	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2055		2425
2056	warn "removing <$k>";	2426	warn "... unloading $k";
2057	delete $INC{$k};	2427	delete $INC{$k};
2058		2428
2059	$k =~ s/\.pm$//;	2429	$k =~ s/\.pm$//;
2060	$k =~ s/\//::/g;	2430	$k =~ s/\//::/g;
2061		2431
…		…
2064	}	2434	}
2065		2435
2066	Symbol::delete_package $k;	2436	Symbol::delete_package $k;
2067	}	2437	}
2068		2438
2069	# sync database to disk
2070	cf::db_sync;
2071	IO::AIO::flush;
2072
2073	# get rid of safe::, as good as possible	2439	warn "getting rid of safe::, as good as possible";
2074	Symbol::delete_package "safe::$_"	2440	Symbol::delete_package "safe::$_"
2075	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2441	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2076		2442
2077	# remove register_script_function callbacks
2078	# TODO
2079
2080	# unload cf.pm "a bit"	2443	warn "unloading cf.pm \"a bit\"";
2081	delete $INC{"cf.pm"};	2444	delete $INC{"cf.pm"};
2082		2445
2083	# don't, removes xs symbols, too,	2446	# don't, removes xs symbols, too,
2084	# and global variables created in xs	2447	# and global variables created in xs
2085	#Symbol::delete_package __PACKAGE__;	2448	#Symbol::delete_package __PACKAGE__;
2086		2449
2087	# reload cf.pm	2450	warn "unload completed, starting to reload now";
		2451
2088	warn "reloading cf.pm";	2452	warn "reloading cf.pm";
2089	require cf;	2453	require cf;
2090	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2454	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2091		2455
2092	# load config and database again	2456	warn "loading config and database again";
2093	cf::cfg_load;	2457	cf::cfg_load;
2094	cf::db_load;
2095		2458
2096	# load extensions
2097	warn "load extensions";	2459	warn "loading extensions";
2098	cf::load_extensions;	2460	cf::load_extensions;
2099		2461
2100	# reattach attachments to objects	2462	warn "reattaching attachments to objects/players";
2101	warn "reattach";
2102	_global_reattach;	2463	_global_reattach;
2103	};	2464	warn "reattaching attachments to maps";
		2465	reattach $_ for values %MAP;
2104		2466
2105	if ($@) {	2467	warn "loading reloadable resources";
		2468	init_resources;
		2469
		2470	warn "leaving sync_job";
		2471
		2472	1
		2473	} or do {
2106	warn $@;	2474	warn $@;
2107	warn "error while reloading, exiting.";	2475	warn "error while reloading, exiting.";
2108	exit 1;	2476	exit 1;
2109	}	2477	};
2110		2478
2111	warn "reloaded successfully";	2479	warn "reloaded";
2112	};	2480	};
2113		2481
2114	#############################################################################	2482	our $RELOAD_WATCHER; # used only during reload
2115
2116	unless ($LINK_MAP) {
2117	$LINK_MAP = cf::map::new;
2118
2119	$LINK_MAP->width (41);
2120	$LINK_MAP->height (41);
2121	$LINK_MAP->alloc;
2122	$LINK_MAP->path ("{link}");
2123	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2124	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2125
2126	# dirty hack because... archetypes are not yet loaded
2127	Event->timer (
2128	after => 2,
2129	cb => sub {
2130	$_[0]->w->cancel;
2131
2132	# provide some exits "home"
2133	my $exit = cf::object::new "exit";
2134
2135	$exit->slaying ($EMERGENCY_POSITION->[0]);
2136	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2137	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2138
2139	$LINK_MAP->insert ($exit->clone, 19, 19);
2140	$LINK_MAP->insert ($exit->clone, 19, 20);
2141	$LINK_MAP->insert ($exit->clone, 19, 21);
2142	$LINK_MAP->insert ($exit->clone, 20, 19);
2143	$LINK_MAP->insert ($exit->clone, 20, 21);
2144	$LINK_MAP->insert ($exit->clone, 21, 19);
2145	$LINK_MAP->insert ($exit->clone, 21, 20);
2146	$LINK_MAP->insert ($exit->clone, 21, 21);
2147
2148	$exit->destroy;
2149	});
2150
2151	$LINK_MAP->{deny_save} = 1;
2152	$LINK_MAP->{deny_reset} = 1;
2153
2154	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2155	}
2156
2157	register "<global>", __PACKAGE__;
2158		2483
2159	register_command "reload" => sub {	2484	register_command "reload" => sub {
2160	my ($who, $arg) = @_;	2485	my ($who, $arg) = @_;
2161		2486
2162	if ($who->flag (FLAG_WIZ)) {	2487	if ($who->flag (FLAG_WIZ)) {
2163	$who->message ("start of reload.");	2488	$who->message ("reloading server.");
		2489
		2490	# doing reload synchronously and two reloads happen back-to-back,
		2491	# coro crashes during coro_state_free->destroy here.
		2492
		2493	$RELOAD_WATCHER ||= Event->timer (
		2494	reentrant => 0,
		2495	after => 0,
		2496	data => WF_AUTOCANCEL,
		2497	cb => sub {
2164	reload;	2498	reload;
2165	$who->message ("end of reload.");	2499	undef $RELOAD_WATCHER;
		2500	},
		2501	);
2166	}	2502	}
2167	};	2503	};
2168		2504
2169	unshift @INC, $LIBDIR;	2505	unshift @INC, $LIBDIR;
		2506
		2507	my $bug_warning = 0;
2170		2508
2171	$TICK_WATCHER = Event->timer (	2509	$TICK_WATCHER = Event->timer (
2172	reentrant => 0,	2510	reentrant => 0,
		2511	parked => 1,
2173	prio => 0,	2512	prio => 0,
2174	at => $NEXT_TICK || $TICK,	2513	at => $NEXT_TICK || $TICK,
2175	data => WF_AUTOCANCEL,	2514	data => WF_AUTOCANCEL,
2176	cb => sub {	2515	cb => sub {
2177	unless ($FREEZE) {	2516	if ($Coro::current != $Coro::main) {
		2517	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2518	unless ++$bug_warning > 10;
		2519	return;
		2520	}
		2521
		2522	$NOW = Event::time;
		2523
2178	cf::server_tick; # one server iteration	2524	cf::server_tick; # one server iteration
2179	$RUNTIME += $TICK;	2525	$RUNTIME += $TICK;
2180	}
2181
2182	$NEXT_TICK += $TICK;	2526	$NEXT_TICK += $TICK;
		2527
		2528	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2529	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2530	Coro::async_pool {
		2531	write_runtime
		2532	or warn "ERROR: unable to write runtime file: $!";
		2533	};
		2534	}
		2535
		2536	$WAIT_FOR_TICK->broadcast;
		2537	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2538
		2539	# my $AFTER = Event::time;
		2540	# warn $AFTER - $NOW;#d#
2183		2541
2184	# if we are delayed by four ticks or more, skip them all	2542	# if we are delayed by four ticks or more, skip them all
2185	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2543	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2186		2544
2187	$TICK_WATCHER->at ($NEXT_TICK);	2545	$TICK_WATCHER->at ($NEXT_TICK);
2188	$TICK_WATCHER->start;	2546	$TICK_WATCHER->start;
2189	},	2547	},
2190	);	2548	);
2191		2549
		2550	{
2192	IO::AIO::max_poll_time $TICK * 0.2;	2551	BDB::max_poll_time $TICK * 0.1;
2193		2552	$BDB_POLL_WATCHER = Event->io (
2194	Event->io (	2553	reentrant => 0,
2195	fd => IO::AIO::poll_fileno,	2554	fd => BDB::poll_fileno,
2196	poll => 'r',	2555	poll => 'r',
2197	prio => 5,	2556	prio => 0,
2198	data => WF_AUTOCANCEL,
2199	cb => \&IO::AIO::poll_cb,
2200	);
2201
2202	Event->timer (
2203	data => WF_AUTOCANCEL,	2557	data => WF_AUTOCANCEL,
2204	after => 0,	2558	cb => \&BDB::poll_cb,
2205	interval => 10,	2559	);
2206	cb => sub {	2560	BDB::min_parallel 8;
2207	(Coro::unblock_sub {	2561
2208	write_runtime	2562	BDB::set_sync_prepare {
2209	or warn "ERROR: unable to write runtime file: $!";	2563	my $status;
		2564	my $current = $Coro::current;
		2565	(
		2566	sub {
		2567	$status = $!;
		2568	$current->ready; undef $current;
		2569	},
		2570	sub {
		2571	Coro::schedule while defined $current;
		2572	$! = $status;
		2573	},
		2574	)
		2575	};
		2576
		2577	unless ($DB_ENV) {
		2578	$DB_ENV = BDB::db_env_create;
		2579
		2580	cf::sync_job {
		2581	eval {
		2582	BDB::db_env_open
		2583	$DB_ENV,
		2584	$BDB_ENV_DIR,
		2585	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2586	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2587	0666;
		2588
		2589	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2590
		2591	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2592	$DB_ENV->set_lk_detect;
		2593	};
		2594
		2595	cf::cleanup "db_env_open(db): $@" if $@;
2210	})->();	2596	};
2211	},	2597	}
2212	);	2598	}
		2599
		2600	{
		2601	IO::AIO::min_parallel 8;
		2602
		2603	undef $Coro::AIO::WATCHER;
		2604	IO::AIO::max_poll_time $TICK * 0.1;
		2605	$AIO_POLL_WATCHER = Event->io (
		2606	reentrant => 0,
		2607	data => WF_AUTOCANCEL,
		2608	fd => IO::AIO::poll_fileno,
		2609	poll => 'r',
		2610	prio => 6,
		2611	cb => \&IO::AIO::poll_cb,
		2612	);
		2613	}
2213		2614
2214	END { cf::emergency_save }	2615	END { cf::emergency_save }
2215		2616
2216	1	2617	1
2217		2618

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